CONTENTS 



Page 



Department Bulletin No. 1207. — Drainage District Assessments. 

 A Study of Present Practices in Assessing Benefits Under the 

 State Drainage Laws: 



Introduction 1 



Summary 2 



Assessments denned 4 



The underlying principles of special assessments 5 



Limitations and discretions of legislative power 6 



Drainage assessment laws 8 



Kinds of property liable for assessment 8 



Benefits • 9 



Definition 9 



Kinds of benefits _ 10 



The relation between benefits and assessments 21 



Methods of apportionment 21 



The board of assessors and its duties 22 



Additional assessments 24 



Reassessment of benefits 25 



Maintenance assessments 25 



Assessment subdistricts 26 



Assessments in two districts 28 



Assessments against incorporated towns 30 



Railroad assessments 32 



Elements of railroad benefits 40 



Examples of railroad assessments 42 



Railroad damages 44 



Highway assessments 46 



Assessment of irrigation canals 48 



Assessments without usual benefits 48 



Damage to agricultural lands : 48 



Methods of making assessments 51 



The percentage method 52 



The classification method 56 



The actual value of the benefits method 57 



Index 65 



Department Bulletin No. 1208. — Effect of Feeding Turnips on 

 the Flavor and Odor of Milk: 



Object of the experiment 1 



Procedure 1 



The experimental feeding 3 



Check samples 3 



Feeding 15 pounds 1 hour before milking 4 



Feeding 30 pounds 1 hour before milking 4 



Feeding 30 pounds immediately after milking 5 



Effect of immediate aeration 5 



Effect of feeding turnips on flavor and odor of cream 6 



Conclusions 7 



Department Bulletin No. 1209. — Effects of Selection on the 

 Yield of a Cross Between Varieties of Corn: 



Basis for the investigation 1 



Results of mass selection 2 



Method of selection 2 



Growing seed for comparison 2 



Method of comparison 3 



Experimental data 4 



Discussion of data 10 



Results of selection within self -fertilized lines 12 



Method of selection 12 



Method of crossing 13 



Method of comparison 14 



Experimental data 16 



Discussion of data 17 



Conclusions 19 



